We will begin solving this problem by analyzing what information we have, to solve this problem:
Firstly, we will need to write a balanced equation for the data provided.
Phosphorous P4 reacts with Chlorine gas to form Phosphorous Pentachloride.
Recall that, Chlorine gas - Cl2 exists as a diatomic molecule and the prefix -penta refers to 5 therefore, we can say that the following reaction takes place
P4 (s) + Cl2 (g) → PCl5 (s)
Elemental phosphorus occurs as tetratomic molecules, P4. What mass (g) of chlorine gas is needed to react completely with 455 g of phosphorus to form phosphorus pentachloride?
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Stoichiometry concept. You can view video lessons to learn Stoichiometry. Or if you need more Stoichiometry practice, you can also practice Stoichiometry practice problems.
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What textbook is this problem found in?
Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.